Makita DA001GM101

IRWIN General Purpose High Speed Steel Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance

Diablo's Tile and Stone Carbide Tipped Drill Bit range provides faster starts and longer life in tile, stone and glass. Optimized with a unique brazing and hardening process, the carbide tip extends l more→ife and productivity, allowing users to drill fast, accurate holes. The multi-ground carbide tip design allows for aggressive starts that produce clean holes when drilling into hard materials. The 3-Flat Shank provides extra stability by eliminating spinning in the drill chuck.

Milwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.